Merge pull request #2004 from annando/1511-ostatus-diaspora

[friendica.git] / index.php

diff --git a/index.php b/index.php
index 45d1599692246715208fc0f886ba7889be0a998a..02316e1e952b4362a627356f6d71525884168e2a 100644 (file)
--- a/index.php
+++ b/index.php
@@ -53,8 +53,22 @@ if(!$install) {
        load_config('config');
        load_config('system');
 
-       if ((intval(get_config('system','ssl_policy')) == SSL_POLICY_FULL) AND
-               ($a->get_scheme() == "http") AND
+       $maxsysload_frontend = intval(get_config('system','maxloadavg_frontend'));
+       if($maxsysload_frontend < 1)
+               $maxsysload_frontend = 50;
+       if(function_exists('sys_getloadavg')) {
+               $load = sys_getloadavg();
+               if(intval($load[0]) > $maxsysload_frontend) {
+                       logger('system: load ' . $load[0] . ' too high. Service Temporarily Unavailable.');
+                       header($_SERVER["SERVER_PROTOCOL"].' 503 Service Temporarily Unavailable');
+                       header('Retry-After: 300');
+                       die("System is currently unavailable. Please try again later");
+               }
+       }
+
+
+       if (get_config('system','force_ssl') AND ($a->get_scheme() == "http") AND
+               (intval(get_config('system','ssl_policy')) == SSL_POLICY_FULL) AND
                (substr($a->get_baseurl(), 0, 8) == "https://")) {
                header("HTTP/1.1 302 Moved Temporarily");
                header("location: ".$a->get_baseurl()."/".$a->query_string);
@@ -115,7 +129,6 @@ if((x($_GET,'zrl')) && (!$install && !$maintenance)) {
  *
  * What we really need to do is output the raw headers ourselves so we can keep them separate.
  *
-
  */
 
 // header('Link: <' . $a->get_baseurl() . '/amcd>; rel="acct-mgmt";');
@@ -498,30 +511,38 @@ $(document).ready(function() {
 });
 
 function loadcontent() {
-       //$("div.loader").show();
+       if (lockLoadContent) return;
+       lockLoadContent = true;
+
+       $("#scroll-loader").fadeIn('normal');
 
        num+=1;
 
        console.log('Loading page ' + num);
 
        $.get('/network?mode=raw$reload_uri&page=' + num, function(data) {
-               $(data).insertBefore('#conversation-end');
+               $("#scroll-loader").hide();
+               if ($(data).length > 0) {
+                       $(data).insertBefore('#conversation-end');
+                       lockLoadContent = false;
+               } else {
+                       $("#scroll-end").fadeIn('normal');
+               }
        });
-
-       //$("div.loader").fadeOut('normal');
 }
 
 var num = $pageno;
+var lockLoadContent = false;
 
 $(window).scroll(function(e){
 
        if ($(document).height() != $(window).height()) {
                // First method that is expected to work - but has problems with Chrome
-               if ($(window).scrollTop() == $(document).height() - $(window).height())
+               if ($(window).scrollTop() > ($(document).height() - $(window).height() * 1.5))
                        loadcontent();
        } else {
                // This method works with Chrome - but seems to be much slower in Firefox
-               if ($(window).scrollTop() > (($("section").height() + $("header").height() + $("footer").height()) - $(window).height()))
+               if ($(window).scrollTop() > (($("section").height() + $("header").height() + $("footer").height()) - $(window).height() * 1.5))
                        loadcontent();
        }
 });